package org.apache.maven.repository.legacy.resolver.transform;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.metadata.ArtifactMetadata;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.repository.RepositoryRequest;
import org.apache.maven.artifact.repository.metadata.ArtifactRepositoryMetadata;
import org.apache.maven.artifact.repository.metadata.RepositoryMetadataResolutionException;
import org.apache.maven.artifact.repository.metadata.Versioning;
import org.apache.maven.artifact.resolver.ArtifactNotFoundException;
import org.apache.maven.artifact.resolver.ArtifactResolutionException;
import org.codehaus.plexus.component.annotations.Component;

/**
 * Change the version <code>RELEASE</code> to the appropriate release version from the remote
 * repository.
 *
 * @author <a href="mailto:brett@apache.org">Brett Porter</a>
 */
@Component(role = ArtifactTransformation.class,
    hint = "release")
public class ReleaseArtifactTransformation extends AbstractVersionTransformation {

  public void transformForResolve(Artifact artifact, RepositoryRequest request)
      throws ArtifactResolutionException, ArtifactNotFoundException {
    if (Artifact.RELEASE_VERSION.equals(artifact.getVersion())) {
      try {
        String version = resolveVersion(artifact, request);

        if (Artifact.RELEASE_VERSION.equals(version)) {
          throw new ArtifactNotFoundException("Unable to determine the release version", artifact);
        }

        artifact.setBaseVersion(version);
        artifact.updateVersion(version, request.getLocalRepository());
      } catch (RepositoryMetadataResolutionException e) {
        throw new ArtifactResolutionException(e.getMessage(), artifact, e);
      }
    }
  }

  public void transformForInstall(Artifact artifact, ArtifactRepository localRepository) {
    ArtifactMetadata metadata = createMetadata(artifact);

    artifact.addMetadata(metadata);
  }

  public void transformForDeployment(Artifact artifact, ArtifactRepository remoteRepository,
      ArtifactRepository localRepository) {
    ArtifactMetadata metadata = createMetadata(artifact);

    artifact.addMetadata(metadata);
  }

  private ArtifactMetadata createMetadata(Artifact artifact) {
    Versioning versioning = new Versioning();
    versioning.updateTimestamp();
    versioning.addVersion(artifact.getVersion());

    if (artifact.isRelease()) {
      versioning.setRelease(artifact.getVersion());
    }

    return new ArtifactRepositoryMetadata(artifact, versioning);
  }

  protected String constructVersion(Versioning versioning, String baseVersion) {
    return versioning.getRelease();
  }
}
